author | Markus Bröker <mbroeker@largo.dyndns.tv> |
Thu, 16 Apr 2009 12:49:12 +0200 | |
changeset 51 | a03372ef9714 |
parent 29 | 7abf6146898e |
child 77 | 49e0babccb23 |
permissions | -rw-r--r-- |
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/** |
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* test/demos/bad_alloc.cc |
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* Copyright (C) 2008 Markus Broeker |
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*/ |
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#include <iostream> |
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#include <vector> |
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#include <exception> |
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#include <sys/time.h> |
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#include <sys/resource.h> |
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#include <cstdlib> |
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using namespace std; |
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int set_limit (int megs) |
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{ |
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struct rlimit rlim; |
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rlim.rlim_cur = megs; |
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rlim.rlim_max = 1.25 * megs; |
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if (megs > (4 * 1024 * 1024)) |
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return setrlimit (RLIMIT_AS, &rlim); |
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return EXIT_FAILURE; |
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} |
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int main (int argc, char **argv) |
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{ |
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vector < int >v; |
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int i = 0; |
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char action; |
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if (set_limit (20 * 1024 * 1024)) { |
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cout << "System error" << endl; |
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return EXIT_FAILURE; |
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} |
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try { |
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for (;;) { |
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v.push_back (i++); |
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} |
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} |
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catch (exception & e) { |
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cout << e.what () << " after " << i << " iterations" << endl << endl; |
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cout << "Would you like to see the full error message? (y/n) "; |
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cin >> action; |
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v.clear (); |
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switch (action) { |
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case 'y': |
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throw; |
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break; |
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} |
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} |
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return EXIT_SUCCESS; |
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} |